CN111175543A - Positioning device for testing electrical thickness of conical cover with special-shaped end face - Google Patents
Positioning device for testing electrical thickness of conical cover with special-shaped end face Download PDFInfo
- Publication number
- CN111175543A CN111175543A CN201911322104.3A CN201911322104A CN111175543A CN 111175543 A CN111175543 A CN 111175543A CN 201911322104 A CN201911322104 A CN 201911322104A CN 111175543 A CN111175543 A CN 111175543A
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- CN
- China
- Prior art keywords
- axis
- gamma
- special
- shaped end
- conical cover
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/02—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness
- G01B7/06—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring thickness
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
- G01R29/08—Measuring electromagnetic field characteristics
- G01R29/10—Radiation diagrams of antennas
Abstract
The invention relates to a positioning device for testing the electrical thickness of a special-shaped end face conical cover, which aims at the special-shaped end face conical cover with a special structure and adopts a five-axis series structure form to complete the measurement of a radar cover loop and a bus. The gamma axis at the top of the positioning device adopts a large hollow structure form, so that the collision of the antenna part is avoided during movement positioning. The invention can accurately meet the positioning requirement of the electrical thickness test of the special-shaped end face conical cover and improve the detection efficiency.
Description
Technical Field
The invention belongs to the field of electrical thickness testing, and particularly relates to a positioning device for electrical thickness testing of a special-shaped end face conical cover.
Background
Radomes are an important component of an aircraft. One important task in the radome development process is to perform electrical thickness testing of the radome, which requires moving the radome to a desired position for testing. Accordingly, a corresponding radome positioning device is required for positioning. The requirements for the motion positioning device are different for radomes with different form characteristics. At present, an electric thickness testing and positioning device applicable to the special-shaped end face conical cover is lacked.
Disclosure of Invention
The invention provides an electric thickness testing and positioning device suitable for a special-shaped end face conical cover.
The invention relates to a positioning device for testing the electrical thickness of a special-shaped end face conical cover, which comprises a gamma shaft for fixing the special-shaped end face conical cover to be tested, wherein the gamma shaft is of a hollow structure, and a transmitting antenna penetrates through the hollow structure of the gamma shaft and is arranged in the special-shaped end face conical cover; the gamma shaft is arranged on a gamma shaft support frame, and the support frame is matched with the gamma shaft to realize the up-and-down, left-and-right translational motion and horizontal plane rotation of the gamma shaft.
Preferably, the gamma-axis support frame comprises an X axis, a Y axis, a Z axis and a theta axis; the X axis is connected with the upper surface of the Y axis in a sliding manner and can slide along the direction vertical to the Y axis; the theta axis is rotationally connected with the upper surface of the X axis and can rotate in the horizontal plane; the Z axis is vertical to the upper surface of the theta axis and is fixedly connected with the theta axis; the gamma axis is connected with the Z axis in a sliding way and can move up and down along the Z axis.
Preferably, the transmitting antenna and the receiving antenna are fixed on the bridge circuit bracket; the bridge support and the gamma-axis support are fixedly arranged on the base.
Preferably, the movement of the X axis, the theta axis and the gamma axis is realized through the control of the control unit.
The invention aims at the special-shaped end face conical cover with a special structure, and the ring line and the bus of the radome are measured in a five-axis series structure. The gamma axis at the top of the positioning device adopts a large hollow structure form, so that the collision of the antenna part is avoided during movement positioning. The invention can accurately meet the positioning requirement of the electrical thickness test of the special-shaped end face conical cover and improve the detection efficiency.
Drawings
FIG. 1 is a schematic diagram of a radome integrity test in a non-operational state;
FIG. 2 is a schematic view of the overall test operation of the radome;
FIG. 3 is a schematic view of the coordinates of the axes of motion of the present invention;
FIG. 4 is a schematic view of a radome showing the direction of the loop and the bus;
in the figure: 1 is bridge support, 2 is Z axis, 3 is theta axis, 4 is X axis, 5 is Y axis, 6 is base, 7 is receiving antenna, 8 is transmitting antenna, 9 is gamma axis, 10 is radome.
Detailed Description
The invention relates to a positioning device for testing the electrical thickness of a special-shaped end face conical cover, which comprises a gamma shaft for fixing the special-shaped end face conical cover to be tested, wherein the gamma shaft is of a hollow structure, and a transmitting antenna penetrates through the hollow structure of the gamma shaft and is arranged in the special-shaped end face conical cover; the gamma shaft is arranged on a gamma shaft support frame, and the support frame is matched with the gamma shaft to realize the up-and-down, left-and-right translational motion and horizontal plane rotation of the gamma shaft. And (3) completing the electrical thickness test in the loop line direction and the bus line direction of the special-shaped end face conical cover, wherein the loop line direction and the bus line direction are shown in figure 4.
The gamma axis can move up and down, left and right and rotate in the horizontal plane, and various designs can be provided. Preferred implementations are given in figures 1, 2, 3. A positioner that is used for special-shaped end face cone cover electricity thickness to test includes: x-axis 4, Y-axis 5, Z-axis 2, θ -axis 3, and γ -axis 9.
The Y-axis 5 is horizontally arranged on the horizontal plane, the X-axis 4 is horizontally arranged on the horizontal plane and is perpendicular to the Y-axis 5, the X-axis 4 is connected to a sliding block of the Y-axis 5 through a bolt, the theta-axis 3 is connected to a turntable bearing of the X-axis 4 through a bolt, the Z-axis 2 is connected to the theta-axis 3 through a bolt, the gamma-axis 9 is connected to a sliding block of the Z-axis 2 through a bolt, and the radome 10 is fixed to a tool interface of the gamma-axis 9 through a screw. The X-axis 4, the Y-axis 5, the Z-axis 2, the theta-axis 3 and the gamma-axis 9 are fixedly arranged on a base 6.
The positive and negative movement directions of the coordinates of each axis are shown in fig. 3, the movement axes are connected in series, the X axis 4 is connected to the Y axis 5, the theta axis 3 is connected to the X axis 4, the Z axis 2 is connected to the theta axis 3, and the gamma axis 9 is connected to the Z axis 2. The positioning device for testing the electrical thickness of the special-shaped end face conical cover completes the space positioning of the radome 10 in the test of the loop direction and the bus direction through the linkage of the X axis 4, the Y axis 5, the Z axis 2, the theta axis 3 and the gamma axis 9. Wherein, the section form of the ring line direction is a form of an upper arc, a lower arc and a left and right approximate straight line. In order to enable accurate measurements, the movement of the axes may be controlled by a servo drive unit.
To facilitate the fixing of the antennas, the transmitting antenna 8 and the receiving antenna 7 are fixed to the bridge support 1 by means of an adjusting device. The bridge supports 1 are attached to the base 6 by screws. The transmitting antenna 8 needs to pass through the hollow structure of the gamma axis 9 in the structural form, and in order to prevent the interference of the positioning process, the motion of each axis can be controlled by a servo driving unit.
The above embodiments are only for illustrating the technical solutions of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive various equivalent modifications or substitutions within the technical scope of the present invention, and these modifications or substitutions should be covered within the scope of the present invention.
Claims (4)
1. A positioning device for testing the electrical thickness of a special-shaped end face conical cover comprises a gamma shaft for fixing the special-shaped end face conical cover to be tested, wherein the gamma shaft is of a hollow structure, and a transmitting antenna penetrates through the gamma shaft hollow structure and is arranged in the special-shaped end face conical cover; the gamma shaft is arranged on a gamma shaft support frame, and the support frame is matched with the gamma shaft to realize the up-and-down, left-and-right translational motion and horizontal plane rotation of the gamma shaft.
2. The positioning device for the electrical thickness test of the special-shaped end face conical cover according to claim 1, wherein the gamma-axis support frame comprises an X axis, a Y axis, a Z axis and a theta axis; the X axis is connected with the upper surface of the Y axis in a sliding manner and can slide along the direction vertical to the Y axis; the theta axis is rotationally connected with the upper surface of the X axis and can rotate in the horizontal plane; the Z axis is vertical to the upper surface of the theta axis and is fixedly connected with the theta axis; the gamma axis is connected with the Z axis in a sliding way and can move up and down along the Z axis.
3. The positioning device for the electrical thickness test of the special-shaped end face conical cover as claimed in claim 2, wherein the transmitting antenna and the receiving antenna are fixed on the bridge circuit support; the bridge support and the gamma-axis support are fixedly arranged on the base.
4. The positioning device for testing the electrical thickness of the special-shaped end face conical cover according to claim 3, wherein the control unit is used for controlling the X-axis, the theta-axis and the gamma-axis to move.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911322104.3A CN111175543A (en) | 2019-12-20 | 2019-12-20 | Positioning device for testing electrical thickness of conical cover with special-shaped end face |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911322104.3A CN111175543A (en) | 2019-12-20 | 2019-12-20 | Positioning device for testing electrical thickness of conical cover with special-shaped end face |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111175543A true CN111175543A (en) | 2020-05-19 |
Family
ID=70655547
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911322104.3A Pending CN111175543A (en) | 2019-12-20 | 2019-12-20 | Positioning device for testing electrical thickness of conical cover with special-shaped end face |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111175543A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106405297A (en) * | 2016-11-02 | 2017-02-15 | 大连东信微波技术有限公司 | Radome testing system |
| CN106771388A (en) * | 2016-12-06 | 2017-05-31 | 中国航空工业集团公司北京长城航空测控技术研究所 | A kind of electromagnetic window is tested with eight axle turntables |
| CN107490731A (en) * | 2016-06-13 | 2017-12-19 | 深圳光启创新技术有限公司 | Antenna house test device |
| CN109270363A (en) * | 2017-07-18 | 2019-01-25 | 中国航空工业集团公司济南特种结构研究所 | A kind of belly antenna cover electric performance test method |
| CN110045157A (en) * | 2019-04-10 | 2019-07-23 | 杭州永谐科技有限公司 | A kind of five axis positioning turntable for testing multi-antenna |
-
2019
- 2019-12-20 CN CN201911322104.3A patent/CN111175543A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107490731A (en) * | 2016-06-13 | 2017-12-19 | 深圳光启创新技术有限公司 | Antenna house test device |
| CN106405297A (en) * | 2016-11-02 | 2017-02-15 | 大连东信微波技术有限公司 | Radome testing system |
| CN106771388A (en) * | 2016-12-06 | 2017-05-31 | 中国航空工业集团公司北京长城航空测控技术研究所 | A kind of electromagnetic window is tested with eight axle turntables |
| CN109270363A (en) * | 2017-07-18 | 2019-01-25 | 中国航空工业集团公司济南特种结构研究所 | A kind of belly antenna cover electric performance test method |
| CN110045157A (en) * | 2019-04-10 | 2019-07-23 | 杭州永谐科技有限公司 | A kind of five axis positioning turntable for testing multi-antenna |
Non-Patent Citations (1)
| Title |
|---|
| 王克欣等: "天线罩电厚度测量的运动轨迹规划及实现", 《哈尔滨工业大学学报》 * |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200519 |